From: Madhusudhan Chikkature<madhu.cr@xxxxxx>
ARM: OMAP3: Fixes required to make HSMMC driver work as module.Complete the
previously applied patch.
This patch provides the necessary fixes to make the HSMMC driver work as
loadble module.
Signed-off-by: Madhusudhan Chikkature<madhu.cr@xxxxxx>
Signed-off-by: Romit Dasgupta <romit@xxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+)
Index: linux-omap-2.6/drivers/mmc/host/omap_hsmmc.c
===================================================================
--- linux-omap-2.6.orig/drivers/mmc/host/omap_hsmmc.c 2008-08-07
15:56:52.000000000 +0530
+++ linux-omap-2.6/drivers/mmc/host/omap_hsmmc.c 2008-08-07 16:09:22.000000000
+0530
@@ -901,9 +901,26 @@ err:
static int omap_mmc_remove(struct platform_device *pdev)
{
struct mmc_omap_host *host = platform_get_drvdata(pdev);
+ struct resource *res;
+ u16 vdd = 0;
+
+ if (!(OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET)) {
+ /*
+ * Set the vdd back to 3V,
+ * applicable for dual volt support.
+ */
+ vdd = fls(host->mmc->ocr_avail) - 1;
+ if (omap_mmc_switch_opcond(host, vdd) != 0)
+ host->mmc->ios.vdd = vdd;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (res)
+ release_mem_region(res->start, res->end - res->start + 1);
platform_set_drvdata(pdev, NULL);
if (host) {
+ mmc_remove_host(host->mmc);
if (host->pdata->cleanup)
host->pdata->cleanup(&pdev->dev);
free_irq(host->irq, host);
--
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